DFRobot US Warehouse is OPEN! 130+ Popular Items with Zero Import Fees. Learn More >>
CommunityForumWikiBlogLearn

Please select the site you would like to browse:

Exclusive Local Delivery
TOP
image_#0_small
image_#1_small
image_#2_small
image_#3_small
image_#4_small
image_#5_small
image_#6_small

ESP32-C3-WROOM-02 Module - WiFi & BLE 5.0, 4MB Flash, RISC-V Core (PCB antenna)

$5.00
SKU: DFR0810
Volume Discount
  • $4.90 3+ items
  • $4.80 5+ items
  • $4.60 10+ items
Purchase this product and earn 50 reward points, which are tied to VIP membership program. Learn More >
    Don't Miss Top Accessories
    • ESP32-S3-WROOM-1-N4 Module (WiFi 6, 4MB Flash, PCB Antenna)
      ESP32-S3-WROOM-1-N4 Module (WiFi 6, 4MB Flash, PCB Antenna)
      $4.50
      Details
    • ESP32-C3-DevKitM-1 Development Board (WiFi & BLE 5.0, 4MB Flash, RISC-V)
      ESP32-C3-DevKitM-1 Development Board (WiFi & BLE 5.0, 4MB Flash, RISC-V)
      $15.50
      Details
    • ESP32-S2-DevKitM-1 Development Board
      ESP32-S2-DevKitM-1 Development Board
      $18.00
      Details
    • ESP32-S2-MINI-1 WiFi Module (240MHz, 4MB Flash, PCB Antenna)
      ESP32-S2-MINI-1 WiFi Module (240MHz, 4MB Flash, PCB Antenna)
      $5.50
      Details
    IntroductionSpecificationDocumentsShipping List

    Introduction

    Upgrade IoT projects with the ESP32-C3-WROOM-02-N4—a compact, high-performance WiFi & Bluetooth LE module. Featuring a 32-bit RISC-V processor, 4MB flash, and ultra-low power consumption, this module is perfect for smart homes, industrial automation, and wearable tech.

    Powerful RISC-V Core

    Built with a 160MHz single-core RISC-V processor, delivering efficient performance for real-time IoT applications.


    Dual Connectivity (WiFi & BLE)

    Supports WiFi 4 (802.11 b/g/n) and Bluetooth 5.0 LE, enabling seamless wireless communication in smart devices.


    Compact & Energy-Efficient

    With 400KB SRAM and 4MB flash, this module balances high storage and ultra-low power for battery-operated devices.


    Rich Peripheral Support

    Includes UART, I2C, SPI, PWM, ADC, and USB for flexible hardware integration across various projects.

    ESP32-C3-WROOM-02-N4 Module (PCB antenna)

    Pinout of ESP32-C3-WROOM-02-N4 Module (PCB antenna)

    Pin Description

    Name No. Type Function
    3V3 1 P Power supply
    EN 2 I High: on, enables the chip.
    Low: off, the chip powers off.
    Note: Do not leave the EN pin floating.
    IO4 3 I/O/T GPIO4,ADC1_CH4,FSPIHD,MTMS
    IO5 4 I/O/T GPIO5,ADC2_CH0,FSPIWP,MTDI
    IO6 5 I/O/T GPIO6,FSPICLK,MTCK
    IO7 6 I/O/T GPIO7,FSPID,MTDO
    IO8 7 I/O/T GPIO8
    IO9 8 I/O/T GPIO9
    GND 9,19 P Ground
    IO10 10 I/O/T GPIO10,FSPICS0
    RXD 11 I/O/T GPIO20,U0RXD
    TXD 12 I/O/T GPIO21,U0TXD
    IO18 13 I/O/T GPIO18,USB_D-
    IO19 14 I/O/T GPIO19,USB_D+
    IO3 15 I/O/T GPIO3,ADC1_CH3
    IO2 16 I/O/T GPIO2,ADC1_CH2,FSPIQ
    IO1 17 I/O/T GPIO1,ADC1_CH1,XTAL_32K_N
    IO0 18 I/O/T GPIO0,ADC1_CH0,XTAL_32K_P


    Specification

  • Processor: 32-bit RISC-V (up to 160 MHz)
  • Memory: 384KB ROM, 400KB SRAM, 8KB RTC SRAM
  • Flash: 4MB (embedded)
  • Wireless: WiFi 4 (802.11 b/g/n), Bluetooth 5.0 LE
  • Voltage Range: 3.0V–3.6V
  • Operating Temp: –40°C to 85°C
  • Dimensions: (Check datasheet for exact size)

    • Documents

    Shipping List

  • ESP32-C3-WROOM-02-N4 Module(PCB antenna) x1
    • Internet of Things - IoTIoT Projects
    ESP32-C3-WROOM-02 Module - WiFi & BLE 5.0, 4MB Flash, RISC-V Core (PCB antenna)
    $5.00